Nathaniel Philbrick, author of In the Heart of the Sea, talks about his interest in the whaleship Essex and the history of whaling on Nantucket. Hear more about Philbrick's historical interests and other works he has written.
John Wesley Powell's epic journey into the unknown Grand Canyon was filled with adventure as his team mapped the Colorado River for the first time.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
The New Deal program CCC put three million young men to work in camps across America.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.